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490397804 = 221331304217
BaseRepresentation
bin11101001110101…
…110000001101100
31021011202210022122
4131032232001230
52001020212204
6120354532112
715103212131
oct3516560154
91234683278
10490397804
112318a9146
12118297038
137a7a2620
14491b6588
152d0bd0be
hex1d3ae06c

490397804 has 24 divisors (see below), whose sum is σ = 954027648. Its totient is φ = 219035520.

The previous prime is 490397797. The next prime is 490397807. The reversal of 490397804 is 408793094.

It is not an unprimeable number, because it can be changed into a prime (490397807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150497 + ... + 153720.

It is an arithmetic number, because the mean of its divisors is an integer number (39751152).

Almost surely, 2490397804 is an apocalyptic number.

It is an amenable number.

490397804 is a deficient number, since it is larger than the sum of its proper divisors (463629844).

490397804 is a wasteful number, since it uses less digits than its factorization.

490397804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304265 (or 304263 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 490397804 is about 22144.9272746604. The cubic root of 490397804 is about 788.5868042743.

The spelling of 490397804 in words is "four hundred ninety million, three hundred ninety-seven thousand, eight hundred four".

Divisors: 1 2 4 13 26 31 52 62 124 403 806 1612 304217 608434 1216868 3954821 7909642 9430727 15819284 18861454 37722908 122599451 245198902 490397804